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chubhunter [2.5K]
3 years ago
15

Can't figure out how to prove this identity

Mathematics
1 answer:
Vinvika [58]3 years ago
6 0
What are the things you need to identify?
You might be interested in
Which system of equations is equivalent to the following system? 3x + 5y = 29 x + 4y = 16 3x + 5y = 29 −x − 4y = 16 3x + 5y = 29
sp2606 [1]

Answer:

Option 3x+5y=29 and -3x-12y=-48 is the system of equations equivalent to the given system of equations 3x+5y=29 and x+4y=16

Step-by-step explanation:

Given system of equations  is 3x+5y=29 and x+4y=16

To find the equivalent system of equations to the given system of equations :

Option 3x+5y=29 and -3x-12y=-48 is the system of equations represents the given system of equations.

Because we can write the given equations as below

3x+5y=29 and x+4y=16

x+4y=16 rewritting as below

When multiply the above equation into (-3) we get

(-3)\times (x+4y)=16\times (-3)

-3x-4y=-48 as same as the equation x+4y=16 so we can say that they are equivalent

Therefore Option 3x+5y=29 and -3x-12y=-48 is the system of equations represents the given system of equations

Therefore 3x+5y=29 and -3x-12y=-48 is the system of equations equivalent to the given system of equations 3x+5y=29 and x+4y=16

3 0
3 years ago
To perform car maintenance, a mechanic
Anvisha [2.4K]

Answer:

C = 35 + 45h

In the equation above $35 is the initial value which interprets the cost for motor parts and $45/hour is the rate of charge of the mechanic per hour.

Step-by-step explanation:

Charges for parts and $45 per hour for  labor that takes a mechanic for maintenance of a car.

It costs $125 as Terri spent 2 hours for car maintenance.

Since the function is linear, so we can write  

125 = 45 × 2 + x {Where x is the charges for parts}

⇒ x = 35

Therefore, the equation that models the situation is given by  

C = 35 + 45h ......... (1)

where C is the total cost and h is the number of hours.

Here, in equation (1) $35 is the initial value that interprets the cost for parts and $45/hour is the rate of charge of the mechanic per hour. (Answer)

3 0
3 years ago
A piece of stained glass in the shape of a right triangle has sides measuring 8 cm, 15 cm, and 17 cm. what is the area of the pi
mars1129 [50]
We know that

[area of triangle]=b*h/2
b=15 units
h=8 units
[area of triangle]=15*8/2---------> 60 units ²

see the attached figure

the answer is 
60 units ²

7 0
3 years ago
Read 2 more answers
Triangle ABC was transformed to be triangle DEF using one transformation.
Mice21 [21]
Your answer is correct.
8 0
3 years ago
A store sold 28 boxes of juice from a case containing 48 boxes of juice from a case containing 48 boxes.
Vika [28.1K]

Answer:

00%/x%=48/28

(100/x)*x=(48/28)*x - we multiply both sides of the equation by x

100=1.71428571429*x - we divide both sides of the equation by (1.71428571429) to get x

100/1.71428571429=x

58.3333333333=x

x=58.3333333333



Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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